Simulation of single start station for Edmonton EMS. - Armann Ingolfsson; Erhan Erkut; Susan Budge (J. Oper. Res. Soc., 2003)

A Survey and Experimental Comparison of Service-Level-Approximation Methods for Nonstationary M(t)/M/s(t) Queueing Systems with Exhaustive Discipline. - Armann Ingolfsson; Elvira Akhmetshina; Susan Budge; Yongyue Li; Xudong Wu (INFORMS J. Comput., 2007)

Technical Note - Approximating Vehicle Dispatch Probabilities for Emergency Service Systems with Location-Specific Service Times and Multiple Units per Location. - Susan Budge; Armann Ingolfsson; Erhan Erkut (Oper. Res., 2009)

Empirical Analysis of Ambulance Travel Times: The Case of Calgary Emergency Medical Services. - Susan Budge; Armann Ingolfsson; Dawit Zerom (Manag. Sci., 2010)